this is a jamaican word was not originated in london but is use frequently by londoners. this word is is the america equivalent to "oh shit". it is an exclamation that is used when something suprising happens.
for example: rahted! where did that car come from
or
rahted that guy jus got knocked the fuck out
or rahted that guy jus got shot for saying rahted originated in london when it came from jamaica to rahted!
To show everyone how much of a awesome mood you're in. a way to say goodbye or Hello and just for an expression of mood... or sticking it in the butt
Just simply say "Rahtingo!" and exaggerate it as much as you can to identify your mood... Sometimes it can be used as "Raaah tiiingooooo...ah!.... .....ah....ha....ah... ..........................ah!"